feat: modus_vivendi theme (#168)

* added the modus_vivendi theme

* Added screenshorts for modus_vivendi theme

* rearranged the themes to be alphabetical

* changed the a component's forground to lightgray

* changed screenshots to reflect the new foreground color for the a component

* lua-format and docstring added

THEMES.md

@@ -83,6 +83,11 @@ lualine try to match your colorscheme.
 ![materialvisual_cropped](https://user-images.githubusercontent.com/41551030/108648930-a1134380-74bc-11eb-8a24-f203bf05cfb3.png)
 ![materialreplace_cropped](https://user-images.githubusercontent.com/41551030/108648935-a2dd0700-74bc-11eb-9a4b-72eb1e2ab79e.png)
 
+### modus_vivendi
+![modus_vivendinormal cropped](https://user-images.githubusercontent.com/9327361/114389966-58176b80-9b9e-11eb-944e-1e0079527d74.png)
+![modus_vivendiinsert cropped](https://user-images.githubusercontent.com/9327361/114390000-606fa680-9b9e-11eb-97dd-ef5bbc23049a.png)
+![modus_vivendivisual cropped](https://user-images.githubusercontent.com/9327361/114390024-6796b480-9b9e-11eb-8be2-ca4cc893fbb2.png)
+![modus_vivendireplace cropped](https://user-images.githubusercontent.com/9327361/114390052-6d8c9580-9b9e-11eb-8dcb-469290a4c655.png)
 
 ### molokai
 ![molokainormal_cropped](https://user-images.githubusercontent.com/41551030/108648944-ab354200-74bc-11eb-85fd-71a40102384b.png)

lua/lualine/themes/modus_vivendi.lua

@@ -0,0 +1,57 @@
+-- Copyright (c) 2020-2021 ronniedroid
+-- MIT license, see LICENSE for more details.
+local modus_vivendi = {}
+-- LuaFormatter off
+local colors = {
+    black = '#000000',
+    white = '#eeeeee',
+    red = '#ffa0a0',
+    green = '#88cf88',
+    blue = '#92baff',
+    magenta = '#feacd0',
+    cyan = '#a0bfdf',
+    gray = '#2f2f2f',
+    darkgray = '#202020',
+    lightgray = '#434343'
+}
+-- LuaFormatter on
+
+modus_vivendi.normal = {
+    a = {bg = colors.blue, fg = colors.lightgray, gui = 'bold'},
+    b = {bg = colors.lightgray, fg = colors.blue},
+    c = {bg = colors.gray, fg = colors.white}
+}
+
+modus_vivendi.insert = {
+    a = {bg = colors.cyan, fg = colors.lightgray, gui = 'bold'},
+    b = {bg = colors.lightgray, fg = colors.cyan},
+    c = {bg = colors.gray, fg = colors.white}
+}
+
+modus_vivendi.visual = {
+    a = {bg = colors.magenta, fg = colors.lightgray, gui = 'bold'},
+    b = {bg = colors.lightgray, fg = colors.magenta},
+    c = {bg = colors.gray, fg = colors.white}
+}
+
+modus_vivendi.replace = {
+    a = {bg = colors.red, fg = colors.lightgray, gui = 'bold'},
+    b = {bg = colors.lightgray, fg = colors.red},
+    c = {bg = colors.gray, fg = colors.white}
+}
+
+modus_vivendi.command = {
+    a = {bg = colors.green, fg = colors.lightgray, gui = 'bold'},
+    b = {bg = colors.lightgray, fg = colors.green},
+    c = {bg = colors.gray, fg = colors.white}
+}
+
+modus_vivendi.terminal = modus_vivendi.normal
+
+modus_vivendi.inactive = {
+    a = {bg = colors.darkgray, fg = colors.lightgray, gui = 'bold'},
+    b = {bg = colors.darkgray, fg = colors.lightgray},
+    c = {bg = colors.darkgray, fg = colors.lightgray}
+}
+
+return modus_vivendi